Southampton realtor and their investor groups have established four independent Real Estate Companies.

  • MGI Interiors – Architecture, Renovations, New Buildings and Interior Design for Worldwide homes, Museums, NYC homes, and Hampton Homes.
  • Villas del Arte – Interior design and Landscaping and Gallery and Museum design including the Guggenheim Gift Stores. . Construction and Renovation of properties, and land purchase and sales from Montauk Point to East Mo riches favoring the South Hampton Area, for 25 years. Consulting and Management of estate properties, both homes, and in the Art Estates, trademark, and copyright specialists.
The mission of the real estate team is to acquire, design, develop, landscape and complete five-star hotel-type interiors with the total vision of relaxation, rentals and resale. The creative imagination and design solutions combine with global travel, where Marilyn Rothbart has created designs for international companies and estates worldwide.

Under the leadership of its founder – Marilyn G. Rothbart, President, – the distinguished group is known by its passion for European lifestyles, gourmet kitchens, barbeque/rotisserie screened-in porches and its trademark pool house cottages with waterfall pond and Balinesian resting huts. Each property is a retreat within itself! Each exhibition worldwide, is it's own retreat into the lives of the most famous ArtMasters.



Celebrate  Marilyn Monroe’s 85th Birthday & world wide exhibitions, at a residence built In the spirit of her life and beauty!

This incredible relaxation estate welcomes you with handmade automatic iron gates affording total privacy which opens to an exquisite 50 foot circular driveway that leads to a luxurious double columned carport and new two car garage.  Astonish yourself with the glorious view of two acres of flawless landscaping, flower and vegetable gardens and fruit orchard.  A rose arbor engulfs the balinesian hand carved outdoor furniture with custom made parasols for relaxing with the ocean breezes. Bask in the sun amidst the 30 x 40 gunite heated swimming pool with two waterfalls, a hot tub and a pond with dock and beach. Find ease and comfort in the pool house with shower and bath while enjoying the outdoor kitchen with BBQ grill and bar.As in other properties, the homes are built for eventual resale while the owners and their families  enjoy each property after it is developed. The owners have lived here for 25 years, and have now renovated the entire house for a resale while developing other South Hampton properties, and Estates.

Embrace the interior when you open the brilliant double glass mahogany doors. Inside is adorned with magnificent designer furniture in the formal dining and living room, a Toto talking Japanese toilet with advanced cleaning mechanisms, two way fire place embedded in beautiful onyx, indoor bar, eight HDTV TV’s and Moroccan sunroom. The modernized kitchen is equipped with a state of the art 48” Wolf gas range and oven, gourmet copper kitchenware, granite counter tops and stainless steel appliances. An office is included for privacy if work may become necessary and a master bedroom and guest bedroom which are all conveniently located on the first level.  The exceptional collection of art is one of the finest in the Hamptons and include pieces from Andy Warhol, Picasso, Keith Haring and 18th Century Chinese dynasty just to name a few and can be seen throughout.

You can make way upstairs via mahogany accented stairs to the master suite bedroom with sunken marble Jacuzzi, fireplace, private terrace and movie theater. Each bedroom on the estate includes its own private bath and all the beds are outfitted with sate of the art custom electronic positioning, tufted headboards and bed skirts with European coordinating bed linens and European fabrics and window treatments in each of the bedrooms including  the bedrooms in the studio apartment with terrace and in the finished basement which also include a fully equipped beauty salon, mud room and gym on the lower level. The stunning grounds and gardens echo the beauty that surround the estate and can be seen from every window and doorway and hold the management headquarter offices of and

The Estate & Museum Offices, are a five minutes from Flying Point beach, Bridgehampton and Southampton. Guests from prestigious museums world wide and art estates, and agents of the company are serviced with  gardening, pool care, housekeeping, maid service,  personal shopping limousines, private planes, for International Guests of all the Estates,exquisite food preparation, turn down bed service and Museum Exhibition organization and event planning is available upon request.

2. Villa Marilyn II “The Sandcastle

 South Hampton “Watermill” Real Estate owned by Master Builders International was designed by Marilyn Goldberg Interiors completed January 2006 and completely renovated in 2013. Includes four  bedroom suites, pool-house / recreation room (three-car garage), living room with WBF, dining room, gourmet kitchen, sun porch with enclosed barbeque/rotisserie grill, 30’ x 50’,

Finished basement Media Room, Wine Cellar, Granite pool and  Har Tru tennis court. 

The  property when designed has  Ms. Goldberg’s signature Monet Water lily Pond with waterfall. This incredible home is detailed with 5 star  exquisite landscaped gardens, and European  interiors.


3. Southampton – “Bali Villa” (1.2 acres)

  • Four bedrooms, 4 full baths
  • Finished basement Media Room, with full bath, laundry room, cedar closet
  • Home office, high-speed Internet access
  • Relaxation screened-in porch with built-in barbeque/rotisserie system
  • 20’ x 50’ pool
  • Balinesian resting hut poolhouse with hand-carved Japanese bridge over fish pond with waterfall
  • Circular Belgium block driveway, electronic gates

* As seen in Wall Street Journal July 15, 05 "best Pool House" - Diving Into Pool Houses*

4. Southampton – “Bishops Carriage House ” (.5 acre)

  • Carriage House of first estate built in Southampton, “the Bishop’s Estate” owned by Villas del Arte.
  • Fully renovated with Old World charm, wood-burning fireplace
  • Exquisite interiors, stucco walls, European furniture and fabrics
  • Gourmet kitchen
  • Screened-in sun porch
  • Gas barbeque/rotisserie grill
  • High-speed Internet access
  • Finished basement, laundry room
  • Full finished attic
  • Main house: 3 bedrooms, 2 bathrooms
  • Poolhouse: Wet bar, ceramic tile floors, stucco walls, full bath (European tub), outdoor shower
  • 20’ x 30’ pool

This Hamptons Carriage house belonged to the Bishops Estate and has an independent pool house (studio apartment) and heated swimming pool. This newly renovated house with gated entrance is available for purchase.

These new and renovated environments enhance, enrich and stimulate the creativity in the individuals lucky enough to buy them. These Hampton Houses  are located in the prime area of  Southampton and Water Mill. They are perfectly situated within five minutes from the finest ocean beaches, shopping, dining, galleries and theaters.

The accomplished team of developers headed by Marilyn Goldberg (one of Southampton's prominent builders) is the compelling architectural revisions mixed with Classic European sensibility and style in carefully designing the stylish and luxury operated residences, Museum Galleries, NY residences, all part of the  of the series “Villas del Arte." (Due to the owners Museum Business with all the major Art Estates).

These classical retreats are updated with an emphasis on luxury materials for luxury living, all applied with Ms. Goldberg's warm and inviting palette that combines the nature outdoors exquisitely developed with the interior setting, so that the land surround and the interior are one and the same, just as she does with Estate Art and Museums sponsored by her organizers world wide.

Villas del Arte - international classic design with a niche for artistic accents and carefree luxury relaxation that are unparalleled. Every corner of each property uncovers a new visual delight! A series of great investment properties, for future owners!